Data Transmission Port: Port 1-4: 4 × RJ-4510/100/1000 Mbps (PoE) Port 5-8: 4 × RJ-45 10/100/1000 Mbps; Power Supply: 48 V–57 V DC; Operating Humidity: 5%–95% (RH); Storage Humidity: 5%–95% (RH); Capacity: 20 Gbps; PoE Power: 60 W; Power Consumption Management: Yes; PoE Pin Assignment: 1, 2, 4, 5 (V+), 3, 6, 7, 8 (V-); Long Distance PoE: Supports 250 m (820.21 ft)en